Revenue and Segment Disclosures - Long-lived Assets and Total Assets by Geographic Areas (Details) - USD ($) $ in Millions	12 Months Ended
Feb. 29, 2020	Feb. 28, 2019	Feb. 28, 2018
Long-lived Assets and Total Assets by Geographic Areas [Line Items]
Long-Lived Assets	$ 2,546	$ 2,616
Assets	$ 3,888	$ 3,968
Number of customers that comprised more than 10% of total revenue	one	one	no
Sales Revenue, Net [Member]
Long-lived Assets and Total Assets by Geographic Areas [Line Items]
Concentration risk, percentage	13.00%	10.00%
Canada
Long-lived Assets and Total Assets by Geographic Areas [Line Items]
Long-Lived Assets	$ 374	$ 396
Assets	657	667
United States
Long-lived Assets and Total Assets by Geographic Areas [Line Items]
Long-Lived Assets	2,132	2,178
Assets	3,071	3,099
Other Countries
Long-lived Assets and Total Assets by Geographic Areas [Line Items]
Long-Lived Assets	40	42
Assets	$ 160	$ 202

[Line Items] for Long-lived Assets and Total Assets by Geographic Areas [Table]

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

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